The photographs in the series “Hundred Times the Difference,” by the photographer Moa Karlberg, capture, in closeup, the faces of women in the final stages of giving birth. Across the images, there is a range of expressions: grit and sensuality, trepidation and expectation, pain and elation. But in …

A paraplegic has walked without robotics using his own brain waves, thanks to research done at Southern California's UC Irvine. Scientists used a computer to "link" 28-year-old Adam Fritz's brain to his legs over a Bluetooth connection, bypassing the severed region of his spinal cord. An EEG then …

As Saudi authorities investigate yet another deadly stampede during the final rite of<p>the hajj pilgrimageThursday, experts in crowd dynamics say that the root of such tragedies is more often a matter of human flow than it is human fright.<p>According to Roger Hughes, a professor of civil and …

Scientists and BBC presenter travelled to the Dominican Republic to meet the 'Guevedoce' males who do not grow a penis until puberty<p>I hated going through puberty; voice cracking, swinging moods, older brother laughing at me. But compared to Johnny, who lives in a small town in the Dominican …